/Engine/Source/Runtime/GameplayTags/Classes/GameplayTagsManager.h
Returns a list of the owners for a restricted tag config file. May be empty
void GetOwnersForTagSource ( const [FString](API\Runtime\Core\Containers\FString) & SourceName, [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & OutOwners ) const